Finding the Fourth Proportional to 254,940.12, 351,812.94 and 141,760.44
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Solution
The fourth proportional to 254,940.12, 351,812.94 and 141,760.44 is: 195,626.95
Step by Step Solution
- Step 1: Write the proportion equation
254,940.12 : 351,812.94 = 141,760.44 : x - Step 2: Convert to fraction form
254,940.12/351,812.94 = 141,760.44/x - Step 3: Cross multiply
254,940.12x = 351,812.94 × 141,760.44 - Step 4: Simplify right side
254,940.12x = 49,873,157,172.09 - Step 5: Solve for x
x = 49,873,157,172.09/254,940.12 - Step 6: Final answer
x = 195,626.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.